package com.zzyl.nursing.service.impl;

import java.util.Arrays;
import java.util.List;

import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zzyl.common.constant.CacheConstants;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.common.utils.StringUtils;
import com.zzyl.nursing.vo.NursingLevelVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.NursingLevelMapper;
import com.zzyl.nursing.domain.NursingLevel;
import com.zzyl.nursing.service.INursingLevelService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 护理等级Service业务层处理
 * 
 * @author alexis
 * @date 2024-12-30
 */
@Service
public class NursingLevelServiceImpl extends ServiceImpl<NursingLevelMapper, NursingLevel> implements INursingLevelService
{
    @Autowired
    private NursingLevelMapper nursingLevelMapper;

    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    /**
     * 查询护理等级
     * 
     * @param id 护理等级主键
     * @return 护理等级
     */
    @Override
    public NursingLevel selectNursingLevelById(Long id)
    {
        return nursingLevelMapper.selectById(id);
    }

    /**
     * 查询护理等级列表
     * 
     * @param nursingLevel 护理等级
     * @return 护理等级
     */
    @Override
    public List<NursingLevel> selectNursingLevelList(NursingLevel nursingLevel)
    {
        return nursingLevelMapper.selectNursingLevelList(nursingLevel);
    }

    /**
     * 新增护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int insertNursingLevel(NursingLevel nursingLevel)
    {
        int result = nursingLevelMapper.insert(nursingLevel);
        // 删除缓存
        redisTemplate.delete(CacheConstants.NURSING_LEVEL_ALL_KEY);
        return result;
    }

    /**
     * 修改护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int updateNursingLevel(NursingLevel nursingLevel)
    {
        int result = nursingLevelMapper.updateById(nursingLevel);
        // 删除缓存
        redisTemplate.delete(CacheConstants.NURSING_LEVEL_ALL_KEY);
        return result;
    }

    /**
     * 批量删除护理等级
     * 
     * @param ids 需要删除的护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelByIds(Long[] ids)
    {
        int result = nursingLevelMapper.deleteBatchIds(Arrays.asList(ids));
        // 删除缓存
        redisTemplate.delete(CacheConstants.NURSING_LEVEL_ALL_KEY);
        return result;
    }

    /**
     * 删除护理等级信息
     * 
     * @param id 护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelById(Long id)
    {
        int result = nursingLevelMapper.deleteById(id);
        // 删除缓存
        redisTemplate.delete(CacheConstants.NURSING_LEVEL_ALL_KEY);
        return result;
    }

    /**
     * 查询护理等级Vo列表
     *
     * @param nursingLevel 条件
     * @return 结果
     */
    @Override
    public List<NursingLevelVo> selectNursingLevelVoList(NursingLevel nursingLevel) {
        return nursingLevelMapper.selectNursingLevelVoList(nursingLevel);
    }

    /**
     * 查询所有启用的护理等级
     *
     * @return 结果
     */
    @Override
    public List<NursingLevel> getNursingLevelList() {
        // 1.查询redis缓存中的所有护理等级
        String result = redisTemplate.opsForValue().get(CacheConstants.NURSING_LEVEL_ALL_KEY);

        // 2.如果查到了，将JSON字符串转成集合再返回
        if (StringUtils.isNotEmpty(result)) {
            return JSON.parseArray(result, NursingLevel.class);
        }

        // 3.如果查不到，查询数据库
        LambdaQueryWrapper<NursingLevel> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(NursingLevel::getStatus, 1);
        List<NursingLevel> nursingLevels = list(wrapper);

        // 4.将数据库查询结果写入redis缓存中
        redisTemplate.opsForValue().set(CacheConstants.NURSING_LEVEL_ALL_KEY, JSON.toJSONString(nursingLevels));

        // 5.返回结果
        return nursingLevels;
    }
}
